x-rays essays

x-rays essays An X-ray is an invisible electromagnetic radiation, with wave lengths that are shorter than the light that is visible to the eye. X-rays were discovered in 1895 by Wilhelm Conrad Roentgen, a German physicist. He discovered the X-ray while he was studying cathode rays in a high voltage, gaseous-discharge tube. He noticed when the tube was in operation it made a screen emit fluorescent light. The fluorescent light was caused by invisible radiation from ultra- violet rays. X-rays are mainly used in the scientific field for, research, industry, and medicine. This is when the X-ray can be diffracted by passing through a crystal or by a reflection from a crystal, which has lattices of atoms that are used as a diffraction grating. The X-rays in the airports scan the luggage and check for metal or foreign objects. The X-ray takes a picture and shows what is inside. This helps so people cannot bring guns knifes and other harmful objects into the plane. An X-ray picture is called a radiograph, Fluoroscopy are used extensively in medicine as diagnostic tools. X-rays are used to treat certain diseases in radiotherapy. Such as, cancer which in that process they expose the tumors to X radiation. Doctors could also see inside the body through the soft tissue. They could see things such as bones and dysfunctional parts of tissue in the body. ...